Patents by Inventor Andrew Nicholas Ferrar

Andrew Nicholas Ferrar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cohesive coating compositions
    Patent number: 4042732
    Abstract: A cohesive coating composition comprises in dispersion in a liquid a mixture of between 51 and 99% by weight of a natural or synthetic rubber and between 1 and 49% by weight of polyalkyl methacrylate in which dispersion there is incorporated between 5% and 35% by weight, based on the weight of the solids, of a inert particulate material having a mean particle size lying in the range between 0.2 and 50 microns.The compositions are applied to sheet materials used, for example, in packaging.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: August 16, 1977
    Assignee: British Cellophane Limited
    Inventor: Andrew Nicholas Ferrar
  • Cohesive coating compositions
    Patent number: 3937683
    Abstract: A cohesive coating composition comprises in dispersion in a liquid a mixture of between 51 and 99% by weight of a natural or synthetic rubber and between 1 and 49% by weight of a polyalkyl methacrylate in which dispersion there is incorporated between 5% and 35% by weight, based on the weight of the solids, of an inert particulate material having a mean particle size lying in the range between 0.2 and 50 microns.The compositions are applied to sheet materials used, for example, in packaging.
    Type: Grant
    Filed: November 19, 1973
    Date of Patent: February 10, 1976
    Assignee: British Cellophane Limited
    Inventor: Andrew Nicholas Ferrar